helping the old and the weak is a good virtueand( )it is necessary for us to do soA.however B.otherwise C.still D.therefore请选择并说明用法及它们区别是什么谢谢!A.however B.otherwise C.still D.therefore

Lucy and Lily were helping an old man ___ (cross)the street Helping the old and the weak is a good verture,and (still ),it is necessary for us to do.为什么、 Her ( ) is helping the old people get on the bus Young Pioneers are helping the old woman.的意思 the old and medieval It's good ＿＿children and old people to cross the road A.to help B.help C.helps D.helping When we are on a bus ,we should be ready ___the old man and the childrenA.helping B.helpc.to help D.helped 1、Gas,oil and coal are the most common heating fuels.2、His job consists of helping old people who live alone. look!the student is helping the old man cross the roadlook!the student is helping the old man ___ ____the road(改为同义句) the girl is helping the old man _______ (cross)the road. Jenny is helping the old lady with her heavy books.(保持原句意思)Jenny is helping the old lady ______ ______ her heavy books. Amy likes helping the old people do some housework.（保持句意基本不变）Amy____ helping the old people ___ some housework. The Young Pioneers are helping the old woman(改成一般疑问句) I would like to r------ to the article Helping the old inyour last newsle .The Young Pioneers are helping the old woman.(改成一般疑问句) the Young Pioneers are helping the old woman改为否定句 The Young Pioneers are( helping the old woman)特殊疑问句( )里的是提问的. The boy is helping an old man cross the street改为一般疑问句